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#!/usr/bin/env python
""" pygame.examples.eventlist
Learn about pygame events and input.
At the top of the screen are the state of several device values,
and a scrolling list of events are displayed on the bottom.
"""
usage = """
Mouse Controls
==============
- 1st button on mouse (left click) to toggle events 'grabed'.
- 3rd button on mouse (right click) to toggle mouse visible.
- The window can be resized.
- Mouse the mouse around to see mouse events.
- If events grabbed and mouse invisible show virtual mouse coords.
Keyboard Joystick Controls
==========================
- press keys up an down to see events.
- you can see joystick events if any are plugged in.
- press "c" to toggle events generated by controllers.
"""
from typing import List
import pygame as pg
import pygame._sdl2.controller
img_on_off: List[pg.Surface] = []
font: pg.font.Font
last_key = None
# these are a running counter of mouse.get_rel() calls.
virtual_x = 0
virtual_y = 0
def showtext(win, pos, text, color, bgcolor):
textimg = font.render(text, 1, color, bgcolor)
win.blit(textimg, pos)
return pos[0] + textimg.get_width() + 5, pos[1]
def drawstatus(win):
global virtual_x, virtual_y
bgcolor = 50, 50, 50
win.fill(bgcolor, (0, 0, 640, 120))
win.blit(font.render("Status Area", 1, (155, 155, 155), bgcolor), (2, 2))
pos = showtext(win, (10, 30), "Mouse Focus", (255, 255, 255), bgcolor)
win.blit(img_on_off[pg.mouse.get_focused()], pos)
pos = showtext(
win, (pos[0] + 50, pos[1]), "Mouse visible", (255, 255, 255), bgcolor
)
win.blit(img_on_off[pg.mouse.get_visible()], pos)
pos = showtext(win, (330, 30), "Keyboard Focus", (255, 255, 255), bgcolor)
win.blit(img_on_off[pg.key.get_focused()], pos)
pos = showtext(win, (10, 60), "Mouse Position(rel)", (255, 255, 255), bgcolor)
rel = pg.mouse.get_rel()
virtual_x += rel[0]
virtual_y += rel[1]
mouse_data = tuple(list(pg.mouse.get_pos()) + list(rel))
p = "%s, %s (%s, %s)" % mouse_data
showtext(win, pos, p, bgcolor, (255, 255, 55))
pos = showtext(win, (330, 60), "Last Keypress", (255, 255, 255), bgcolor)
if last_key:
p = "%d, %s" % (last_key, pg.key.name(last_key))
else:
p = "None"
showtext(win, pos, p, bgcolor, (255, 255, 55))
pos = showtext(win, (10, 90), "Input Grabbed", (255, 255, 255), bgcolor)
win.blit(img_on_off[pg.event.get_grab()], pos)
is_virtual_mouse = pg.event.get_grab() and not pg.mouse.get_visible()
pos = showtext(win, (330, 90), "Virtual Mouse", (255, 255, 255), bgcolor)
win.blit(img_on_off[is_virtual_mouse], pos)
if is_virtual_mouse:
p = f"{virtual_x}, {virtual_y}"
showtext(win, (pos[0] + 50, pos[1]), p, bgcolor, (255, 255, 55))
def drawhistory(win, history):
img = font.render("Event History Area", 1, (155, 155, 155), (0, 0, 0))
win.blit(img, (2, 132))
ypos = 450
h = list(history)
h.reverse()
for line in h:
r = win.blit(line, (10, ypos))
win.fill(0, (r.right, r.top, 620, r.height))
ypos -= font.get_height()
def draw_usage_in_history(history, text):
lines = text.split("\n")
for line in lines:
if line == "" or "===" in line:
continue
img = font.render(line, 1, (50, 200, 50), (0, 0, 0))
history.append(img)
def main():
pg.init()
pygame._sdl2.controller.init()
print(usage)
win = pg.display.set_mode((640, 480), pg.RESIZABLE)
pg.display.set_caption("Mouse Focus Workout. h key for help")
global font
font = pg.font.Font(None, 26)
global img_on_off
img_on_off.append(font.render("Off", 1, (0, 0, 0), (255, 50, 50)))
img_on_off.append(font.render("On", 1, (0, 0, 0), (50, 255, 50)))
# stores surfaces of text representing what has gone through the event queue
history = []
# let's turn on the joysticks just so we can play with em
for x in range(pg.joystick.get_count()):
if pygame._sdl2.controller.is_controller(x):
c = pygame._sdl2.controller.Controller(x)
txt = "Enabled controller: " + c.name
else:
j = pg.joystick.Joystick(x)
txt = "Enabled joystick: " + j.get_name()
img = font.render(txt, 1, (50, 200, 50), (0, 0, 0))
history.append(img)
if not pg.joystick.get_count():
img = font.render("No Joysticks to Initialize", 1, (50, 200, 50), (0, 0, 0))
history.append(img)
going = True
while going:
for e in pg.event.get():
if e.type == pg.KEYDOWN:
if e.key == pg.K_ESCAPE:
going = False
else:
global last_key
last_key = e.key
if e.key == pg.K_h:
draw_usage_in_history(history, usage)
if e.key == pg.K_c:
current_state = pygame._sdl2.controller.get_eventstate()
pygame._sdl2.controller.set_eventstate(not current_state)
if e.type == pg.MOUSEBUTTONDOWN and e.button == 1:
pg.event.set_grab(not pg.event.get_grab())
if e.type == pg.MOUSEBUTTONDOWN and e.button == 3:
pg.mouse.set_visible(not pg.mouse.get_visible())
if e.type != pg.MOUSEMOTION:
txt = f"{pg.event.event_name(e.type)}: {e.dict}"
img = font.render(txt, 1, (50, 200, 50), (0, 0, 0))
history.append(img)
history = history[-13:]
if e.type == pg.VIDEORESIZE:
win = pg.display.set_mode(e.size, pg.RESIZABLE)
if e.type == pg.QUIT:
going = False
drawstatus(win)
drawhistory(win, history)
pg.display.flip()
pg.time.wait(10)
pg.quit()
raise SystemExit
if __name__ == "__main__":
main()
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